Add main function. Update Makefile accordingly.

Makefile

@@ -12,19 +12,18 @@ SED_INSTALL_DIR=$(shell echo "$(INSTALL_DIR)" | sed -e 's/[\/&]/\\&/g')
 
 love-release: deps clean
 	mkdir -p '$(BUILD_DIR)'
-	longopt=$$(grep "^LONG_OPTIONS" love-release.sh | sed -Ee 's/LONG_OPTIONS="(.*)"/\1/'); \
+	longopt=$$(grep -m1 "LONG_OPTIONS" love-release.sh | sed -E 's/.*LONG_OPTIONS="(.*)"/\1/'); \
 	for file in scripts/*.sh; do \
-		s="$$(grep -E -m 1 "^OPTIONS=['\"]?.*['\"]?" "$$file" | sed -Ee "s/OPTIONS=['\"]?//" -e "s/['\"]?$$//")"; \
+		s="$$(grep -E -m1 "^OPTIONS" "$$file" | sed -E "s/OPTIONS=(['\"]?)(.*)\1/\2/")"; \
-		short="$${s}$${short}"; \
+		short="$${short}$${s}"; \
-		s="$$(echo "$$s" | sed -e "s/[:]*$$//")"; \
+		s="$${s:0:1}"; \
-		l="$$s$$(echo "$$longopt" | sed -e "s/,/,$${s}/g")"; \
+		ll=$$(grep -E -m1 "^LONG_OPTIONS" "$$file" | sed -E "s/LONG_OPTIONS=(['\"]?)(.*)\1/\2/"); \
-		ll="$$(grep -E -m 1 "^LONG_OPTIONS=['\"]?.*['\"]?" "$$file" | sed -Ee "s/LONG_OPTIONS=['\"]?//" -e "s/['\"]?$$//" -e "s/,/,$${s}/g")"; \
+		long="$${long},$${s}$${longopt//,/,$$s}"; \
-		if [[ -n $$ll ]]; then l="$${l},$${s}$${ll}"; fi; \
+		if [[ -n $$ll ]]; then long="$${long},$${s}$${ll//,/,$$s}"; fi; \
-		long="$${l},$${long}"; \
+		shelp="$$shelp\\n\\ -$$(grep "init_module" $$file | sed -Ee 's/init_module //' -e 's/" "/	/g' -e "s/\"//g" | awk -F "\t" '{print($$3,"  ",$$1)}')\\"; \
-		shelp="$$shelp\\n\\ -$$(grep "init_module" $$file | sed -Ee 's/init_module //' -e 's/" "/	/g' -e "s/\"//g" | awk -F "\t" '{print($$3,"  ",$$1)}')\\\\"; \
 	done; \
 	shelp="$$shelp\\n"; \
-	sed -Ee "s/^OPTIONS=(['\"]?)/OPTIONS=\1$$short/" -e "s/^LONG_OPTIONS=(['\"]?)/LONG_OPTIONS=\1$$long/" \
+	sed -Ee "s/[^_]OPTIONS=(['\"]?)/ OPTIONS=\1$$short/" -e "s/LONG_OPTIONS=(['\"]?)(.*)\1/LONG_OPTIONS=\1\2$$long\1/" \
 		-e 's/INSTALLED=false/INSTALLED=true/' \
 		-e 's/SCRIPTS_DIR="scripts"/SCRIPTS_DIR="$(SED_INSTALL_DIR)\/scripts"/' \
 		-e "$$(echo "$$(sed -n '/^EndOfSHelp/=' love-release.sh) i \\$$(printf "$$shelp")")" love-release.sh > '$(BUILD_DIR)/love-release'; \
@@ -43,22 +42,21 @@ install:
 
 embedded: clean
 	mkdir -p '$(BUILD_DIR)'
-	longopt=$$(grep "^LONG_OPTIONS" love-release.sh | sed -Ee 's/LONG_OPTIONS="(.*)"/\1/'); \
+	longopt=$$(grep -m1 "LONG_OPTIONS" love-release.sh | sed -E 's/.*LONG_OPTIONS="(.*)"/\1/'); \
 	for file in scripts/*.sh; do \
 		module="$$(basename -s '.sh' "$$file")"; \
 		content='(source <(cat <<\EndOfModule'$$'\n'"$$(cat $$file)"$$'\n''EndOfModule'$$'\n''))'$$'\n''default_module'$$'\n\n'; \
 		echo "$$content" >> "$(BUILD_DIR)/tmp"; \
-		s="$$(grep -E -m 1 "^OPTIONS=['\"]?.*['\"]?" "$$file" | sed -Ee "s/OPTIONS=['\"]?//" -e "s/['\"]?$$//")"; \
+		s="$$(grep -E -m1 "^OPTIONS" "$$file" | sed -E "s/OPTIONS=(['\"]?)(.*)\1/\2/")"; \
-		short="$${s}$${short}"; \
+		short="$${short}$${s}"; \
-		s="$$(echo "$$s" | sed -e "s/[:]*$$//")"; \
+		s="$${s:0:1}"; \
-		l="$$s$$(echo "$$longopt" | sed -e "s/,/,$${s}/g")"; \
+		ll=$$(grep -E -m1 "^LONG_OPTIONS" "$$file" | sed -E "s/LONG_OPTIONS=(['\"]?)(.*)\1/\2/"); \
-		ll="$$(grep -E -m 1 "^LONG_OPTIONS=['\"]?.*['\"]?" "$$file" | sed -Ee "s/LONG_OPTIONS=['\"]?//" -e "s/['\"]?$$//" -e "s/,/,$${s}/g")"; \
+		long="$${long},$${s}$${longopt//,/,$$s}"; \
-		if [[ -n $$ll ]]; then l="$${l},$${s}$${ll}"; fi; \
+		if [[ -n $$ll ]]; then long="$${long},$${s}$${ll//,/,$$s}"; fi; \
-		long="$${l},$${long}"; \
+		shelp="$$shelp\\n\\ -$$(grep "init_module" $$file | sed -Ee 's/init_module //' -e 's/" "/	/g' -e "s/\"//g" | awk -F "\t" '{print($$3,"  ",$$1)}')\\"; \
-		shelp="$$shelp\\n\\ -$$(grep "init_module" $$file | sed -Ee 's/init_module //' -e 's/" "/	/g' -e "s/\"//g" | awk -F "\t" '{print($$3,"  ",$$1)}')\\\\"; \
 	done; \
 	shelp="$$shelp\\n"; \
-	sed -Ee "s/^OPTIONS=(['\"]?)/OPTIONS=\1$$short/" -e "s/^LONG_OPTIONS=(['\"]?)/LONG_OPTIONS=\1$$long/" \
+	sed -Ee "s/[^_]OPTIONS=(['\"]?)/ OPTIONS=\1$$short/" -e "s/LONG_OPTIONS=(['\"]?)(.*)\1/LONG_OPTIONS=\1\2$$long\1/" \
 		-e 's/EMBEDDED=false/EMBEDDED=true/' \
 		-e '/include_scripts_here$$/r $(BUILD_DIR)/tmp' \
 		-e "$$(echo "$$(sed -n '/^EndOfSHelp/=' love-release.sh) i \\$$(printf "$$shelp")")" love-release.sh > '$(BUILD_DIR)/love-release.sh';

love-release.sh

@@ -388,74 +388,76 @@ exit_module () {
     esac
 }
 
-
-
 # Main
+main () {
+    check_deps
 
-check_deps
+    # Get latest LÖVE version number
+    gen_version $LOVE_DEF_VERSION
+    LOVE_WEB_VERSION=$(curl -s https://love2d.org/releases.xml | grep -m 2 "<title>" | tail -n 1 | grep -Eo "[0-9]+.[0-9]+.[0-9]+")
+    gen_version $LOVE_WEB_VERSION
 
-# Get latest LÖVE version number
+    INSTALLED=false
-gen_version $LOVE_DEF_VERSION
+    EMBEDDED=false
-LOVE_WEB_VERSION=$(curl -s https://love2d.org/releases.xml | grep -m 2 "<title>" | tail -n 1 | grep -Eo "[0-9]+.[0-9]+.[0-9]+")
-gen_version $LOVE_WEB_VERSION
 
-INSTALLED=false
+    DEFAULT_MODULE=true
-EMBEDDED=false
 
-DEFAULT_MODULE=true
+    TITLE="$(basename $(pwd))"
+    PROJECT_DIR="$PWD"
+    RELEASE_DIR=releases
+    CACHE_DIR=~/.cache/love-release
+    FILES=()
+    EXCLUDE=()
 
-TITLE="$(basename $(pwd))"
+    OPTIONS="La:d:e:hi:l:p:r:t:u:v:x:"
-PROJECT_DIR="$PWD"
+    LONG_OPTIONS="author:,clean,description:,email:,exclude:,help,icon:,love:,pkg:,release:,title:,url:,version:"
-RELEASE_DIR=releases
+    ARGS=$(getopt -o "$OPTIONS" -l "$LONG_OPTIONS" -n 'love-release' -- "$@")
-CACHE_DIR=~/.cache/love-release
+    if (( $? != 0 )); then short_help; exit_module "options"; fi
-FILES=()
+    eval set -- "$ARGS"
-EXCLUDE=()
+    read_options
-
+    while [[ $1 != '--' ]]; do shift; done; shift
-OPTIONS="La:d:e:hi:l:p:r:t:u:v:x:"
+    for arg do
-LONG_OPTIONS="author:,clean,description:,email:,exclude:,help,icon:,love:,pkg:,release:,title:,url:,version:"
-ARGS=$(getopt -o "$OPTIONS" -l "$LONG_OPTIONS" -n 'love-release' -- "$@")
-if (( $? != 0 )); then short_help; exit_module "options"; fi
-eval set -- "$ARGS"
-read_options
-while [[ $1 != '--' ]]; do shift; done; shift
-for arg do
         FILES+=( "$arg" )
-done
+    done
-if (( ${#FILES} == 0 )); then FILES+=( "." ); fi
+    if (( ${#FILES} == 0 )); then FILES+=( "." ); fi
-eval set -- "$ARGS"
+    eval set -- "$ARGS"
 
-if [[ $INSTALLED == false && $EMBEDDED == false ]]; then
+    if [[ $INSTALLED == false && $EMBEDDED == false ]]; then
         exit_module "undef" "love-release has not been installed, and is not embedded into one script."
-fi
+    fi
 
-if [[ ! -f "main.lua" ]]; then
+    if [[ ! -f "main.lua" ]]; then
         >&2 echo "No main.lua file was found."
         exit_module 1
-fi
+    fi
 
-if [[ $EMBEDDED == true ]]; then
+    if [[ $EMBEDDED == true ]]; then
         : # include_scripts_here
-elif [[ $INSTALLED == true ]]; then
+    elif [[ $INSTALLED == true ]]; then
         SCRIPTS_DIR="scripts"
         for file in "$SCRIPTS_DIR"/*.sh; do
             (source "$file")
             default_module
         done
-fi
+    fi
 
 
-(
+    (
         init_module "LÖVE" "love" "L"
         create_love_file 9
         exit_module
-)
+    )
-if [[ $? -ne 0 && $DEFAULT_MODULE == true ]]; then
+    if [[ $? -ne 0 && $DEFAULT_MODULE == true ]]; then
-(
+    (
         init_module "LÖVE" "default"
         create_love_file 9
         exit_module
-)
+    )
-fi
+    fi
 
-exit 0
+    return 0
+}
+
+
+main "$@"